63
Troubleshooting
Cannot Send Using Error Correction Mode (ECM)
Errors Occur Frequently While Sending
z
Receiving Problems
Cannot Receive a Document Automatically
The Fax Does Not Switch Automatically Between Telephone and Fax
Reception
The document may not have been
loaded correctly into the ADF.
Remove the document, stack it if necessary, and load it into the ADF correctly
(see page 22).
Cause
Action
The receiving party’s fax machine may
not support ECM.
If the receiving party’s fax machine does not support ECM, then the document is
sent in normal mode without error checking.
ECM may be disabled.
Make sure ECM is on (see <ECM TX> on page 46).
Cause
Action
The telephone lines may be in poor
condition, or you may have a bad
connection.
Lower the transmission speed (see <TX START SPEED> on page 47).
Cause
Action
The fax may not be set to receive
automatically.
For the fax to receive documents automatically, the receive mode must be set to
<FAX ONLY MODE>, <Fax/Tel Mode>, <DRPD>, or <ANS.MACHINE MODE>
(see page 33). If you have set <ANS.MACHINE MODE>, check that an
answering machine is connected to the fax and that it is turned on with an
outgoing message properly recorded (see page 35).
The fax may have a document stored in
memory.
Print out any documents stored in memory (see page 39).
An error may have occurred during
reception.
z
Check the LCD for an error message (see page 73).
z
Print the ACTIVITY REPORT and check for an error (see page 48).
The Rear Tray may be empty.
Make sure paper is loaded in the Rear Tray (see your setup sheet or page 22).
The telephone line may not be
connected properly.
Make sure all line connections are secure (see your setup sheet).
The machine is under maintenance. /
The machine is sending a fax. / The
machine is printing another document.
Cancel sending, printing, or maintenance as soon as possible.
Cause
Action
The fax may not be set to switch
automatically between telephone and
fax reception.
For the fax to switch automatically, the receive mode must be set to <Fax/Tel
Mode>, <DRPD>, or <ANS.MACHINE MODE> (see page 33). If you have set
<ANS.MACHINE MODE>, check that an answering machine is connected to
the fax and that it is turned on with an outgoing message properly recorded (see
page 35).
The fax may have a document stored in
memory.
Print out any documents stored in memory (see page 39).
An error may have occurred during
reception.
z
Check the LCD for an error message (see page 73).
z
Print the ACTIVITY REPORT and check for an error (see page 48).
The Rear Tray may be empty.
Make sure paper is loaded in the Rear Tray (see your setup sheet or page 22).
The sending fax machine may not send
the CNG signal that tells the fax that
the incoming signal is a fax.
Some fax machines cannot send the CNG signal that tells your fax the incoming
call is from a fax machine. In such cases, you will have to receive the document
manually (see page 35).
Cause
Action
